%{
	int yylineno;
%}
%%
^(.*)\n printf("%4d\t%s", ++yylineno, yytext);
%%
int yywrap(void){
	return 1;
}
int main(int argc, char *argv[]){
	yyin = fopen(argv[1], "r");
	yylex();
	fclose(yyin);
}
